{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{l*{2}{c}}
\toprule
                &\multicolumn{2}{c}{Any canvassing (app data)}\\\cmidrule(lr){2-3}
                &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}\\
\midrule
\textbf{Panel A: Main effects} &         &         \\
                &         &         \\
Any voice treatment&2.327\sym{**}&2.325\sym{**}\\
                &  (1.027)&  (1.098)\\
                &         &         \\
\hline Marginal  effect &    0.030&    0.033\\
 \hline         &         &         \\
  \textbf{Panel B: Type of voice} \\ &         &         \\
 Instrumental   &2.419\sym{**}&2.537\sym{**}\\
                &  (1.048)&  (1.124)\\
                &         &         \\
 Intrinsic      &2.225\sym{**}&2.121\sym{*}\\
                &  (1.057)&  (1.126)\\
                &         &         \\
\hline Marginal effect: Instrumental&    0.100&    0.090\\
 Marginal effect: Intrinsic&    0.098&    0.075\\
\hline  p(Instrumental = Intrinsic)&     0.67&     0.37\\
 \hline         &         &         \\
 \textbf{Panel C: Feedback announcement} \\&         &         \\
Feedback        &2.345\sym{**}&2.285\sym{**}\\
                &  (1.052)&  (1.133)\\
                &         &         \\
 No feedback    &2.309\sym{**}&2.367\sym{**}\\
                &  (1.052)&  (1.108)\\
                &         &         \\
\hline Marginal effect: Instrumental&    0.101&    0.080\\
 Marginal effect: Intrinsic&    0.098&    0.085\\
\hline  p(Feedback = No feedback)&     0.94&     0.86\\
\hline Control mean&     0.00&     0.00\\
Number of Observations&     1007&     1007\\
Controls        &         &        X\\
\bottomrule
\end{tabular}
}
